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MountainFramesetPartial spec

2018 Rocky Mountain Instinct Carbon 90 BC Edition Frame

Lists today at $2,799 (2026-09)

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What a used one is worth

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New

$1,218

$736 to $1,516

Like new

$1,157

$699 to $1,440

Excellent

$1,096

$663 to $1,364

Good

$913

$552 to $1,137

Fair

$670

$405 to $834

For parts

$365

$221 to $455

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand
Rocky Mountain
Model family
Instinct
Model year
2018
Category
Mountain · trail
Frame material
carbon
Sizes
S, M, L, XL
Wheel size
27.5+ or 29
Wheel setup
either
Current list price
$2,799 (as of 2026-09)

Build

Rear shock
Fox Float DPX2 Factory
Travel rear mm
155
Travel front mm
160

Geometry

L 29
Reach mm: 454; Stack mm: 621; Chainstay mm: 435; Wheelbase mm: 1213; Head angle deg: 65.9; Seat angle deg: 74.4
M 29
Reach mm: 431; Stack mm: 612; Chainstay mm: 435; Wheelbase mm: 1187; Head angle deg: 65.9; Seat angle deg: 74.4
S 29
Reach mm: 407; Stack mm: 607; Chainstay mm: 435; Wheelbase mm: 1161; Head angle deg: 65.9; Seat angle deg: 74.4
XL 29
Reach mm: 481; Stack mm: 630; Chainstay mm: 435; Wheelbase mm: 1245; Head angle deg: 65.9; Seat angle deg: 74.4
L 27.5+
Reach mm: 449; Stack mm: 625; Chainstay mm: 435; Wheelbase mm: 1217; Head angle deg: 65.5; Seat angle deg: 74
M 27.5+
Reach mm: 426; Stack mm: 615; Chainstay mm: 435; Wheelbase mm: 1191; Head angle deg: 65.5; Seat angle deg: 74
S 27.5+
Reach mm: 403; Stack mm: 610; Chainstay mm: 435; Wheelbase mm: 1165; Head angle deg: 65.5; Seat angle deg: 74
XL 27.5+
Reach mm: 477; Stack mm: 634; Chainstay mm: 435; Wheelbase mm: 1249; Head angle deg: 65.5; Seat angle deg: 74

list_price_usd is the price Rocky Mountain's archive page shows today; no in-season capture confirmed it as the launch price. Geometry keys carry the wheel size. 2 factory colorways.

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